diff --git a/framework/test/monorailcontext_test.py b/framework/test/monorailcontext_test.py
index ed93920..2071c9e 100644
--- a/framework/test/monorailcontext_test.py
+++ b/framework/test/monorailcontext_test.py
@@ -10,7 +10,10 @@
 
 import unittest
 
-import mox
+try:
+  from mox3 import mox
+except ImportError:
+  import mox
 
 from framework import authdata
 from framework import monorailcontext